Data Visualization

# Data Visualization
## An intro
### Fabio CRUZ
### Université de Lorraine
### 2021/02/01 (updated: 2021-01-31)

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# We are assuming that...

You know how it works:

- Github
- RStudio
- and you start to understand R & Rmarkdown approach

So let's start...

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# Learning outcomes

Data visualization is a fundamental part of the analysis of data.

- You will produce your first reproducible image and put it online. 
- You will have a basic understanding of the main component and functions of `ggplot2`.

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# Agenda of this sprint

.Large[1) Understanding the `ggplot2` package]

.Large[2) Embed text and images in the `.Rmd` document and  publishin to Github ]

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#  What is Data Visualization?

- are graphical representations of data

- use different colors, shapes, and the coordinate system to summarize data

- tell a story

- are useful for exploring data

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## For example

[Coronavirus Pandemic (COVID-19)](https://ourworldindata.org/coronavirus)

[How LGBTQ+ hate crime is committed by young people against young people](https://www.bbc.com/news/uk-46543874)

[Why Time Flies](https://maximiliankiener.com/digitalprojects/time/)

[Mandatory Paid Vacation](https://www.instagram.com/p/CE1kpM5FhWR/?utm_source=ig_web_copy_link)

[Why are K-pop groups so big?](https://pudding.cool/2020/10/kpop/)

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# Hands on the PC: Hi  grammar of graphics!    <i class="fas  fa-clipboard-list fa-pull-right "></i>

.infobox.assignment[

Let's play with the **`ggplot2`**:

1. Open the `Tutorials > 01-basics > 02-Dataviz > 02-Vis-Basics-fr.Rmd` file on Rstudio cloud.
2. `Run document` and make the step-by-step tutorial
3. Answer the questions, in the  `index.Rmd` document as long as you find the answers.
]
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class: middle

# Summarizing the insigths on `ggplot2` 
 
-

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# Commit your files changes on Github

1. In the `Environment Panel`,  go to `Git` tab.

2. Select each element that appears to be changed.
  - You can use `Ctrl / Cmd + A` to select of of them, and press `Enter`

3. Add a `Commit message`

3. Click on `Commit`

4. Click on `Push`

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## Coffe  ☕